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Related Experiment Video

Updated: May 3, 2026

Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators

Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators

Published on: May 30, 2014

Quantum benchmarks for pure single-mode Gaussian states.

Giulio Chiribella¹, Gerardo Adesso²

¹Center for Quantum Information, Institute for Interdisciplinary Information Sciences, Tsinghua University, Beijing 100084, China.

Physical Review Letters

|February 4, 2014

Summary

This summary is machine-generated.

This study establishes quantum benchmarks for teleporting general Gaussian states, crucial for quantum networks. It reveals that random squeezed states have the same benchmark as coherent states.

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Last Updated: May 3, 2026

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Area of Science:

Quantum Information Science
Quantum Communication
Quantum Optics

Background:

Continuous variable quantum state teleportation and storage are vital for quantum networks.
Validating quantum implementations requires benchmarks from non-quantum strategies.
Existing benchmarks cover limited input states like coherent and specific squeezed states.

Purpose of the Study:

To define quantum benchmarks for general pure Gaussian single-mode states.
To address arbitrary phase, displacement, and squeezing parameters.
To establish benchmarks for realistic prior distributions of quantum states.

Main Methods:

Developed a theoretical framework to define quantum benchmarks.
Analyzed general pure Gaussian single-mode states.
Investigated randomly sampled states based on a realistic prior distribution.

Main Results:

Solved the problem of defining quantum benchmarks for a broad class of Gaussian states.
Showed the fidelity benchmark for teleporting randomly squeezed states is 1/2.
Demonstrated this benchmark is equal to that of coherent states.

Conclusions:

The established benchmarks provide a rigorous validation for quantum network components.
The findings offer insights into the performance limits of quantum teleportation.
Entangled resources can be used to surpass these quantum benchmarks in experiments.